Programmable  Sound Level Datalogger

Model：DSL-331

☆ Auto Ranging Measurement  30dB to 130dB

☆ Work with Window Software☆ 32,000 Records Data Logger

☆ Bar graph Indication with Back Light

☆ RS-232 Real Time Display Software for Window 95/98/2000  ☆ Frequency Weighting: A, C

☆ 4-Digit Display with updated cycle 0.5s

☆ 0.1dB resolution ☆ Max/Min  Hold Function

☆ The standard Fast and Slow Time weightings

☆ AC/DC signal output

☆ Overload condition indication ☆ Auxiliary output jack

☆ IEC 651 Type II, ANSI S1.4 Type2.

☆ Calibration Potentiometer easy to adjust

☆ Back screw hole tripod connection

☆ External Power DC 9V input 

☆ Calibration Potentiometer easy to adjus t